20344912

素因数分解:

$2^4\times 7^1\times {\mathrm{373}}^1\times {\mathrm{487}}^1$

素因数の和:875

約数の個数: 40

約数和(自身を含む): 45262976

約数和(自身を除く): 24918064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 373, 487, 746, 974, 1492, 1948, 2611, 2984, 3409, 3896, 5222, 5968, 6818, 7792, 10444, 13636, 20888, 27272, 41776, 54544, 181651, 363302, 726604, 1271557, 1453208, 2543114, 2906416, 5086228, 10172456, 20344912]

約数ペア:

[(1, 20344912), (2, 10172456), (4, 5086228), (7, 2906416), (8, 2543114), (14, 1453208), (16, 1271557), (28, 726604), (56, 363302), (112, 181651), (373, 54544), (487, 41776), (746, 27272), (974, 20888), (1492, 13636), (1948, 10444), (2611, 7792), (2984, 6818), (3409, 5968), (3896, 5222)]